*{
    margin:0;
    padding:0;
    box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: Arial, sans-serif;
  background: url("image.webp") no-repeat center center fixed;
  background-size: cover;
  overflow-x: hidden;
   background-attachment: scroll;
}

.wrapper{
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.screen, .quiz-screen, .sections, #result{
   animation: fadeIn 0.5s ease-in-out;    
}

#nav{
    position:sticky;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    top: 0;
    left:0;
    z-index: 1000;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hamburger {
  display: none;
  font-size: 30px;
  color: white;
  padding: 15px;
  cursor: pointer;
}

#start,#instructions,#result{
    display: flex;
    flex-direction: column;
    text-align:center;
    align-items: center;
    justify-content: center;
    max-width: 800px;
    width: 90%;
    margin: 90px auto;
    padding: 35px 25px;
    background: linear-gradient(to right,#FFECD2,#FCB69F);
    border-radius: 12px;
    box-sizing: 0 0 12px rgba(0,0,0,0.2);

}

#start button,#instructions button{
    margin-top: 25px;
}

#instructions ul{
    text-align: left;
    padding-left: 20px;
    margin-top: 15px;
}

.sections-btn{
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    margin:20px 0;
    flex-wrap: wrap;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    border: none;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 16px;
}

button:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

.quiz-screen{
    margin-top: 20px;
    padding: 25px;
    border-radius: 10px;
    max-width: 800px;
    width: 90%;
    margin:40px auto;
    color: black;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    background: linear-gradient(to right, #ffdee9, #85fffc);

}

.options{
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap:12px;
}

.options label{
    background-color: #fff;
    border:2px solid #ccc;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.4s ease;
    color: black;
}

.options label:hover {
  background-color: #e9ecef;
  transform: scale(1.02);
}

.options label.correct {
  background-color: #d4edda !important;
  border-color: #28a745 !important;
  color: #155724 !important;
  pointer-events: none;
}

.options label.wrong {
  background-color: #f8d7da !important;
  border-color: #dc3545 !important;
  color: #721c24 !important;
  pointer-events: none;
}

.options input[type="radio"] {
  margin-right: 10px;
}

.next-btn, .prev-btn, .submit-btn, .res-btn, .gth-btn{
 display: block;
 margin:25px auto 0;
}

#result{
    min-height: calc(100vh-200px);
}

#result .result-box {
  background: white;
  padding: 40px 30px;
  border-radius: 10px;
  max-width: 700px;
  width: 100%;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.result-box h1 {
  color: #007bff;
  margin-bottom: 20px;
}

.footer {
  width: 100%;
  background-color: #1f1f1f;
  color: white;
  text-align: center;
  padding: 20px 10px;
  position: relative;
  bottom: 0;
  left: 0;
  font-size: 14px;
  margin-top: 60px;
}

.footer h3 {
  margin-bottom: 10px;
  font-size: 20px;
  color: #ffffff;
}

.footer-icons {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 15px 0;
  font-size: 24px;
}

.footer-icons a {
  color: white;
  transition: transform 0.3s, color 0.3s;
}

.footer-icons a:hover {
  transform: scale(1.2);
  color: #00bcd4;
}

@media (max-width: 768px) {
  .sections-btn {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 10px 0;
  }

  .sections-btn.show {
    display: flex;
  }

  .hamburger {
    display: block;
    text-align: center;
    width: 100%;
    background-color: #007bff;
  }

  .sections-btn button {
    width: 90%;
    margin: 10px auto;
    font-size: 18px;
  }
}

@media (min-width: 769px) {
  .sections-btn {
    flex-direction: row;
    justify-content: center;
  }
}